CVE-2018-10876
MediumA flaw was found in Linux kernel in the ext4 filesystem code. A use-after-free is possible in ext4_ext_remove_space() function when mounting and operating a crafted ext4 image.
CVSS 3.0 score
5.5
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness type
CWE-416CVE-2018-10876 is a Use After Free vulnerability
What is Use After Free?
The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. Learn more on MITRE CWE
References
The following references provide additional information about CVE-2018-10876 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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Securityfocushttp://www.securityfocus.com/bid/104904
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Securityfocushttp://www.securityfocus.com/bid/106503Third Party Advisory VDB Entry
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Third Party Advisory
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Exploit Issue Tracking
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Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/3753-1/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/3753-2/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/3871-1/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/3871-3/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/3871-4/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/3871-5/Third Party Advisory
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PatchKernel patch commithttp://patchwork.ozlabs.org/patch/929239/
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PatchKernel patch commithttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10876
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PatchKernel patch commithttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8844618d8aa7a9973e7b527d038a2a589665002c
Frequently asked questions
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What is CVE-2018-10876?
CVE-2018-10876 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as an Use After Free flaw (CWE-416) . CVE-2018-10876 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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What is the CVSS score for CVE-2018-10876?
CVE-2018-10876 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.0). The vector string is
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H. -
Is there a patch available for CVE-2018-10876?
No patch is currently available for CVE-2018-10876. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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Is CVE-2018-10876 actively exploited?
No — CVE-2018-10876 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
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What is Use After Free (CWE-416)?
The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. View CWE-416 on MITRE CWE →